Though just six pages long, its dense, technical writing makes it largely incomprehensible to non-experts. And yet this paper is transforming the climate change debate—prompting the financial world to rethink the value of …

Russian lawmaker Mikhail Slipenchuk is seeking a Chinese investor for the $1 billion Siberian zinc deposit owned by his company IFC Metropol after Lundin Mining Corp. quit the project following the 2008 financial crisis.

Chinese imports rose for the first time in three months in June as buying from overseas became profitable and supply tightened after consumers drained local stockpiles. There are “strong signs” that the country will “come back and buy in a more aggressive way,” according to Codelco, the top producer. Prices slid 3.7 percent in the first six months of the year as demand waned.

The metal has gained 46 percent in the past year, reaching a record $4.6575 on Feb. 15.

Caterpillar Inc. said Friday it agreed to form a joint venture with a Chinese transmission manufacturer that will build drivetrain systems and other components for Caterpillar machinery and produce a line of automatic transmissions for highway travel.